Aix And Linux Systems - IBM Power Systems 775 Manual

Example 3-33 Command to check the connectivity status of DB2 database instance
# db2 connect to xcatdb
Database Connection Information
Database server
SQL authorization ID
Local database alias
Example 3-34 Command to check the connectivity status of ODBC in DB2 database instance
# /usr/local/bin/isql -v xcatdb
+---------------------------------------+
| Connected!
|
| sql-statement
| help [tablename]
| quit
|
+---------------------------------------+
SQL> quit

3.1.5 AIX and Linux systems

In this section, we describe commonly used commands to monitor system activity, as shown
in Table 3-3. For more information, see Table 3-1 on page 158.
Table 3-3 AIX and Linux system monitoring commands equivalencies
AIX
nmon
topas
ps
alog -t console
-o
iostat
istat
-
mount
vmstat
pstat
netstat
entstat
194
IBM Power Systems 775 for AIX and Linux HPC Solution
= DB2/AIX64 9.7.4
= ROOT
= XCATDB
Linux Command Description
nmon Nigel Monitor for General system overview.
top OS-specific system overview.
ps Displays processes status information.
- Dumps console Log.
iostat Reports IO statistics for loaded devices (physical and logical).
- Displays i-node information for a particular file.
stat Displays file or file system status information.
mount Lists mounted file systems.
vmstat Reports virtual memory statistics.
- Interprets and displays the contents of systems tables:
process, kernel thread, file, i-node, swap, processor, tty
structures, and variables.
netstat Displays logical network routing information, status, and
statistics.
ethtool Displays physical and logical network status and statistics.
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